CN107560382B - Screw hole blow-drying device - Google Patents
Screw hole blow-drying device Download PDFInfo
- Publication number
- CN107560382B CN107560382B CN201710936576.2A CN201710936576A CN107560382B CN 107560382 B CN107560382 B CN 107560382B CN 201710936576 A CN201710936576 A CN 201710936576A CN 107560382 B CN107560382 B CN 107560382B
- Authority
- CN
- China
- Prior art keywords
- hole
- air
- air source
- communicated
- source exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000861 blow drying Methods 0.000 title claims abstract description 23
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The invention discloses a screw hole blow-drying device, which comprises a shell, a screw hole and a screw hole, wherein the shell is provided with a containing cavity which is communicated with the shell; the support holes are symmetrically arranged at two ends of the accommodating cavity; and the air inlet hole is arranged on one side of the shell perpendicular to the axis of the accommodating cavity and is communicated with the accommodating cavity. The air source exchange shaft is arranged in the accommodating cavity in a penetrating way, one end of the air source exchange shaft is provided with a threaded hole and a plurality of air guide holes which are communicated with the bottom of the threaded hole and are perpendicular to the center of the threaded hole, and the other end of the air source exchange shaft is provided with a connector. One end of the connecting bolt is connected with the threaded hole, and one end of the connecting bolt is provided with a counter bore and a plurality of through holes which are perpendicular to the counter bore and communicated with the counter bore; the center of the other end of the connecting bolt is provided with a blow hole communicated with the counter bore. The distribution plate is sleeved on the connecting bolt, and is provided with a central hole and a plurality of air outlet holes which are distributed outside the central hole on one surface of the distribution plate and are communicated with the central hole. Wherein the air flow enters from the air inlet hole and is ejected from the plurality of air outlet holes and the air blowing holes. The invention has high blow-drying efficiency.
Description
Technical Field
The invention relates to the field of assembly, in particular to a blow-drying device for a large end circumferential screw hole of an engine crankshaft.
Background
The big end of engine bent axle usually has 6 to 8 screw and centre bore to constitute, and there is the difference in the screw distance of different bent axles, need weather the moisture of screw after the cleaning machine washs, and the current common method is that the manual hand-held compressed air pipe is used and is weathered to the screw, and efficiency is very low, weathers the uniformity and is difficult to control, and the washing liquid that blows out splashes to the workman on the skin of workman and causes allergic injury easily. How to design a blow-drying device capable of reducing labor cost and improving working efficiency is a problem to be solved in the industry.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a screw hole blow-drying device, so that the defects of low efficiency, unstable product quality, high labor intensity and the like in the use process of the prior art are overcome.
In order to achieve the above purpose, the invention provides a screw hole blow-drying device which is used for cleaning and blow-drying a circumferential screw hole at the large end of an engine crankshaft, and the screw hole blow-drying device comprises a shell, an air source exchange shaft, a connecting bolt and a distribution disc. The shell comprises an accommodating cavity which is communicated with the shell; the support holes are symmetrically arranged at two ends of the accommodating cavity; and the air inlet hole is arranged on one side of the shell perpendicular to the axis of the accommodating cavity and is communicated with the accommodating cavity. The air source exchange shaft is arranged in the accommodating cavity in a penetrating way, one end of the air source exchange shaft is provided with a threaded hole and a plurality of air guide holes which are communicated with the bottom of the threaded hole and are perpendicular to the center of the threaded hole, and the other end of the air source exchange shaft is provided with a connector. One end of the connecting bolt is connected with the threaded hole, and one end of the connecting bolt is provided with a counter bore and a plurality of through holes which are perpendicular to the counter bore and communicated with the counter bore; the center of the other end of the connecting bolt is provided with a blow hole communicated with the counter bore. The distribution plate is sleeved on the connecting bolt, and is provided with a central hole and a plurality of air outlet holes which are distributed outside the central hole on one surface of the distribution plate and are communicated with the central hole. The air flow enters from the air inlet hole, passes through the accommodating cavity, the air guide hole, the threaded hole and the counter bore and is sprayed out from the plurality of air outlet holes and the air blowing holes. And wherein the distribution plate is rotatable with the gas source exchange shaft.
Preferably, in the above technical solution, the screw hole blow-drying device further includes: the fixing seat is used for fixing the shell on the fixing seat. The bottom plate is used for fixing the fixing base at one end on the bottom plate. The gear motor is fixedly arranged at the other end of the bottom plate. And one end of the coupler is connected with the gear motor, and the other end of the coupler is connected with the connector of the air source exchange shaft. Wherein the gear motor drives the air source exchange shaft, the distribution plate and the connecting bolts to rotate through the coupler.
Preferably, in the above technical scheme, the middle part of the air source exchange shaft is provided with a boss section, the diameter of the boss section is larger than the diameter of two ends of the air source exchange shaft, and two ends of the boss section are provided with positioning surfaces.
Preferably, in the above technical scheme, the air source exchange shaft is supported by bearings arranged in supporting holes at two ends of the shell, the inner side of the bearing abuts against the positioning surface, and the outer side of the bearing abuts against and is positioned by end covers fixedly arranged at two ends of the shell.
Preferably, in the above technical scheme, one end of the supporting hole adjacent to the accommodating cavity is provided with a propping surface, and a framework oil seal is arranged between the bearing and the propping surface.
Preferably, in the above technical solution, the threaded hole end of the air source exchange shaft has an end surface, and sealing washers are provided between one surface of the distribution plate and the end surface of the air source exchange shaft, and between the other surface of the distribution plate and the nuts of the connecting bolts.
Compared with the prior art, the blow-drying device for the circumferential screw holes at the large end of the engine crankshaft can solve the technical problems of low efficiency, unstable product quality, high labor intensity and the like in the use process of the prior art. The invention can automatically adjust the production rhythm according to the process requirement, can realize automatic production by matching with the operation of the cleaning machine, and saves the labor cost.
Drawings
Fig. 1 is a schematic structural view of a screw hole drying device according to the present invention.
Fig. 2 is an external view of a screw hole drying device according to the present invention.
Fig. 3 is a schematic structural view of a casing of the screw hole blow-drying device according to the present invention.
Fig. 4 is a schematic structural view of an air source exchanging shaft of the screw hole blow-drying device according to the present invention.
Fig. 5 is a schematic structural view of a connecting bolt of the screw hole blow-drying device according to the present invention.
Fig. 6 is a schematic view of a distribution tray of a screw hole drying device according to the present invention.
Fig. 7 is a schematic structural view of an end cover of a screw hole blow-drying device according to the present invention.
The main reference numerals illustrate:
1-a shell, 11-a containing cavity, 12-a supporting hole, 13-an air inlet hole, 14-a propping surface, 2-an air source exchange shaft, 21-a threaded hole, 22-an air guide hole, 23-a connector, 24-a boss section, 25-a positioning surface, 26-an end surface, 3-a connecting bolt, 31-a counter bore, 32-air passing holes, 33-air blowing holes, 34-locking surfaces, 4-distribution plates, 41-center holes, 42-air outlet holes, 5-fixing seats, 6-base plates, 7-speed reduction motors, 8-couplers, 9-end covers, 10-bearings, 20-framework oil seals and 30-sealing gaskets.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 to 2, according to an embodiment of the present invention, a screw hole blow-drying device is used for cleaning and blow-drying a screw hole on the circumference of a large end of an engine crankshaft, and the screw hole blow-drying device includes a housing 1, an air source exchange shaft 2, a connecting bolt 3 and a distribution plate 4.
As shown in fig. 3, in some embodiments, the housing 1 has a receiving cavity 11 inside the housing 1 throughout the housing 1; two symmetrical supporting holes 12 are formed at two ends of the accommodating cavity 11; an air inlet hole 13 is arranged on one side of the shell 1, and the air inlet hole 13 is perpendicular to the axis of the accommodating cavity 11 and is communicated with the accommodating cavity 11.
As shown in fig. 4, in some embodiments, the air source exchanging shaft 2 is provided in the accommodating chamber 11. The middle part of the air source exchange shaft 2 is provided with a boss section 24, the diameter of the boss section 24 is larger than that of the two ends of the air source exchange shaft 2, and the two ends of the boss section 24 are provided with positioning surfaces 25. The air source exchanging shaft 2 is supported by bearings 10 installed in supporting holes 12 at both ends of the housing 1, the inner sides of the bearings 10 are abutted against positioning surfaces 25, and the outer sides of the bearings 10 are abutted against and positioned by end caps 9 fixedly arranged at both ends of the housing 1 by screws (not shown) (refer to fig. 1 and 7). One end of the air source exchanging shaft 2 is provided with a threaded hole 21 and a plurality of air guide holes 22 which are communicated with the bottom of the threaded hole 21 and are perpendicular to the center of the threaded hole 21, and the other end of the air source exchanging shaft 2 is provided with a connector 23. The end of the supporting hole 12 adjacent to the accommodating cavity 11 is provided with a propping surface 14, and a framework oil seal 20 is arranged between the bearing 10 and the propping surface 14. In this way, the housing cavity 11 of the housing 1 is a closed cavity due to the arrangement of the framework oil seal 20, and external compressed air can enter the housing cavity 11 from the air inlet, and because the housing cavity 11 is closed, air can only enter the threaded hole 21 of the air source exchange shaft 2 through the air guide hole 22.
As shown in fig. 5, in some embodiments, one end of the connecting bolt 3 is connected to the threaded hole 21, and one end of the connecting bolt 3 has a counter bore 31 and a plurality of through holes 32 perpendicular to the counter bore 31 and communicating with the counter bore 31; the center of the other end of the connecting bolt 3 is provided with a blow hole 33 communicated with the counter bore 31. The distribution plate 4 is sleeved on the connecting bolt 3, and the distribution plate 4 is provided with a central hole 41 and a plurality of air outlet holes 42 which are distributed outside the central hole 41 on one surface of the distribution plate 4 and are communicated with the central hole 41. The threaded bore 21 end of the air supply exchange shaft 2 has an end face 26. And the side of the nut of the connecting bolt 3 close to the root of the thread is a locking surface 34. Sealing washers 30 are provided between one face of the distributor plate 4 and the end face 26 of the gas source exchange shaft 2 and between the other face of the distributor plate 4 and the locking face 34 of the nut of the connecting bolt 3. Due to the presence of the sealing gasket 30, a closed channel is formed between the threaded hole 21 of the air source exchange shaft 2 and the counter bore 31 of the connecting bolt 3 and the central hole 41 of the distribution plate 4, external compressed air enters from the air inlet hole 13 and can only pass through the accommodating cavity 11, the air guide hole 22, the threaded hole 21, the counter bore 31, the air passing hole 32 and the central hole 41, and finally is sprayed out from the plurality of air outlet holes 42 and the air blowing holes 33.
Referring to fig. 1, 2 and 5, in some embodiments, the screw hole drying device further includes a fixing base 5, a bottom plate 6, a gear motor 7 and a coupling 8. The housing 1 is fixed to the fixing base 5 by bolts (not shown). The fixing base 5 is fixed to one end of the bottom plate 6 by bolts (not shown). The gear motor 7 is fixedly arranged at the other end of the bottom plate 6. One end of the coupling 8 is connected with the gear motor 7 and the other end is connected with the connector 23 of the air source exchange shaft 2. The gear motor 7 thus drives the air source exchange shaft 2, the distribution plate 4 and the connecting bolts 3 to rotate through the coupling 8. The distribution plate 4 is provided with a plurality of air outlet holes 42, after the distribution plate 4 rotates, the center part of the nut of the connecting bolt 3 is provided with the air blowing holes 33, so that compressed air sprayed out of the air outlet holes 42 and the air blowing holes 33 can blow all screw holes on the circumference of the large end of the engine crankshaft to be dried, thereby avoiding manually aligning each screw hole to blow the air, greatly reducing the labor intensity of workers and improving the working efficiency.
In conclusion, the screw hole blow-drying device overcomes the defects of low efficiency, unstable product quality, high labor intensity and the like in the use process of the prior art, can automatically adjust the production rhythm according to the process requirements, can realize automatic production by matching with the operation of a cleaning machine, saves labor cost and improves the working efficiency.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a screw weathers device, its washs that is used for engine crankshaft big end circumference screw weathers, its characterized in that, the screw weathers device includes:
a housing, comprising:
the accommodating cavity is communicated with the shell;
the support holes are symmetrically arranged at two ends of the accommodating cavity; and
the air inlet is arranged on one side of the shell and perpendicular to the axis of the accommodating cavity, and is communicated with the accommodating cavity;
the air source exchange shaft is arranged in the accommodating cavity in a penetrating way, one end of the air source exchange shaft is provided with a threaded hole and a plurality of air guide holes which are communicated with the bottom of the threaded hole and are perpendicular to the center of the threaded hole, and the other end of the air source exchange shaft is provided with a connector;
the connecting bolt is provided with a counter bore and a plurality of through air holes which are perpendicular to the counter bore and communicated with the counter bore, and one end of the connecting bolt is connected with the threaded hole; the center of the other end of the connecting bolt is provided with a blow hole communicated with the counter bore;
the distribution plate is sleeved on the connecting bolt, and is provided with a central hole and a plurality of air outlet holes which are distributed outside the central hole on one surface of the distribution plate and communicated with the central hole;
the air flow enters from the air inlet hole, passes through the accommodating cavity, the air guide hole, the threaded hole and the counter bore and is sprayed out from the air outlet holes and the air blowing hole; and is also provided with
Wherein the distribution plate can rotate along with the air source exchange shaft;
the shell is fixedly arranged on the fixing seat;
the fixed seat is fixed at one end of the bottom plate;
the speed reducing motor is fixedly arranged at the other end of the bottom plate; and
one end of the coupler is connected with the speed reducing motor, and the other end of the coupler is connected with the connector of the air source exchange shaft;
the speed reducing motor drives the air source exchange shaft, the distribution plate and the connecting bolt to rotate through the coupler;
the middle part of the air source exchange shaft is provided with a boss section, the diameter of the boss section is larger than that of two ends of the air source exchange shaft, and two ends of the boss section are provided with positioning surfaces.
2. The screw hole blow-drying device according to claim 1, wherein the air source exchanging shaft is supported by bearings arranged in the supporting holes at two ends of the shell, the inner side of the bearings is propped against the positioning surface, and the outer side of the bearings is propped and positioned by end covers fixedly arranged at two ends of the shell.
3. The screw hole blow-drying device according to claim 2, wherein one end of the supporting hole adjacent to the accommodating cavity is provided with a propping surface, and a framework oil seal is arranged between the bearing and the propping surface.
4. The screw hole blow-drying device according to claim 1, wherein the threaded hole end of the air source exchange shaft is provided with an end surface, and sealing gaskets are arranged between one surface of the distribution plate and the end surface of the air source exchange shaft and between the other surface of the distribution plate and the nuts of the connecting bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936576.2A CN107560382B (en) | 2017-10-10 | 2017-10-10 | Screw hole blow-drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936576.2A CN107560382B (en) | 2017-10-10 | 2017-10-10 | Screw hole blow-drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560382A CN107560382A (en) | 2018-01-09 |
| CN107560382B true CN107560382B (en) | 2023-11-07 |
Family
ID=60983903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710936576.2A Active CN107560382B (en) | 2017-10-10 | 2017-10-10 | Screw hole blow-drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107560382B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129305A (en) * | 1994-07-22 | 1996-08-21 | 三洋电机株式会社 | Ventilator/dryer assembly |
| CA2266064A1 (en) * | 1998-04-03 | 1999-10-03 | Nemco, Inc. | Anti-torsion dryer connection |
| JP2000249466A (en) * | 1999-03-01 | 2000-09-14 | Olympus Optical Co Ltd | Method and device for drying part and pallet employed for drying |
| CA2342669A1 (en) * | 2001-03-29 | 2002-09-30 | D. & V.I. Inox S.R.L. | Apparatus for continuously drying unpackaged food products, in particular vegetables |
| CN1708384A (en) * | 2002-10-25 | 2005-12-14 | 精工爱普生株式会社 | Scrub washing method, scrub washing device, lens forming die drying method, lens forming die drying device, and plastic lens manufacturing method |
| CN103206838A (en) * | 2013-04-02 | 2013-07-17 | 海博瑞恩电子科技无锡有限公司 | Electrode core drying device and method |
| CN103486834A (en) * | 2013-09-17 | 2014-01-01 | 江苏俊知技术有限公司 | Adjustable blow-drying device |
| CN104374173A (en) * | 2014-11-07 | 2015-02-25 | 蒋剑锋 | Automatic drying device for small machined parts |
| EP2902738A1 (en) * | 2014-01-31 | 2015-08-05 | Yanmar Co., Ltd. | Static drying system for organic materials |
| DE102015105453A1 (en) * | 2014-04-14 | 2015-10-15 | Claire MAUREL | DEVICE FOR DRYING PARTS AND DEVICE FOR WASHING PARTS USING SUCH A DRYING DEVICE |
| CN205580098U (en) * | 2016-04-27 | 2016-09-14 | 郑州大学 | Anti -oxidation flash dryer |
| WO2017024341A1 (en) * | 2015-08-07 | 2017-02-16 | Akgk Pty Ltd | Rotary adsorbent dryers for compressed gas |
| CN107101482A (en) * | 2017-05-03 | 2017-08-29 | 袁超 | A kind of rotary type umbrella drying plant |
| CN207422824U (en) * | 2017-10-10 | 2018-05-29 | 广西玉柴机器股份有限公司 | Screw hole blow-dry device |
-
2017
- 2017-10-10 CN CN201710936576.2A patent/CN107560382B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129305A (en) * | 1994-07-22 | 1996-08-21 | 三洋电机株式会社 | Ventilator/dryer assembly |
| CA2266064A1 (en) * | 1998-04-03 | 1999-10-03 | Nemco, Inc. | Anti-torsion dryer connection |
| JP2000249466A (en) * | 1999-03-01 | 2000-09-14 | Olympus Optical Co Ltd | Method and device for drying part and pallet employed for drying |
| CA2342669A1 (en) * | 2001-03-29 | 2002-09-30 | D. & V.I. Inox S.R.L. | Apparatus for continuously drying unpackaged food products, in particular vegetables |
| CN1708384A (en) * | 2002-10-25 | 2005-12-14 | 精工爱普生株式会社 | Scrub washing method, scrub washing device, lens forming die drying method, lens forming die drying device, and plastic lens manufacturing method |
| CN103206838A (en) * | 2013-04-02 | 2013-07-17 | 海博瑞恩电子科技无锡有限公司 | Electrode core drying device and method |
| CN103486834A (en) * | 2013-09-17 | 2014-01-01 | 江苏俊知技术有限公司 | Adjustable blow-drying device |
| EP2902738A1 (en) * | 2014-01-31 | 2015-08-05 | Yanmar Co., Ltd. | Static drying system for organic materials |
| DE102015105453A1 (en) * | 2014-04-14 | 2015-10-15 | Claire MAUREL | DEVICE FOR DRYING PARTS AND DEVICE FOR WASHING PARTS USING SUCH A DRYING DEVICE |
| CN104374173A (en) * | 2014-11-07 | 2015-02-25 | 蒋剑锋 | Automatic drying device for small machined parts |
| WO2017024341A1 (en) * | 2015-08-07 | 2017-02-16 | Akgk Pty Ltd | Rotary adsorbent dryers for compressed gas |
| CN205580098U (en) * | 2016-04-27 | 2016-09-14 | 郑州大学 | Anti -oxidation flash dryer |
| CN107101482A (en) * | 2017-05-03 | 2017-08-29 | 袁超 | A kind of rotary type umbrella drying plant |
| CN207422824U (en) * | 2017-10-10 | 2018-05-29 | 广西玉柴机器股份有限公司 | Screw hole blow-dry device |
Non-Patent Citations (1)
| Title |
|---|
| 顺丁橡胶洗胶干燥生产工艺及设备改良;李俊日;广州化工;第41卷(第07期);166-167+179 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107560382A (en) | 2018-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108607722A (en) | A kind of electronic product maintenance spray-painting plant | |
| CN107560382B (en) | Screw hole blow-drying device | |
| CN209234121U (en) | A kind of easy-to-dismount electrical cabinet | |
| CN105234028B (en) | The transmission device of stator nigrescence device | |
| CN104785064A (en) | Processing device for boiler exhaust gas | |
| CN206256184U (en) | A kind of aperture inwall electroplating parts upset exhaust electroplanting device | |
| CN105413917A (en) | Valve body spraying equipment | |
| CN110665891A (en) | ITO glass cleaning and drying integrated machine of liquid crystal display module production line | |
| CN207422824U (en) | Screw hole blow-dry device | |
| CN214052813U (en) | Cleaning device for be used for linking prosthetic cleaning device of roller surface | |
| CN2893244Y (en) | Single-stage non-leakage syrup pump | |
| CN206240875U (en) | The fixing seal cleaning device of inner-walls of duct clean robot | |
| CN213480718U (en) | Cooling device is used in production of PVDF decorative film | |
| CN107413568A (en) | A kind of automobile door handle spray-painting plant | |
| CN109266824B (en) | Oil blowing device of card clothing quenching machine | |
| CN206382806U (en) | A kind of transmission chain of compressor automatic production line | |
| CN210065859U (en) | Steel ball cooling device | |
| CN208203360U (en) | A kind of dust-proof air motor of big torque of moderate rotation | |
| CN206269630U (en) | A kind of removable scraped wall heat exchanger of material barrel | |
| CN202427666U (en) | Cleaning machine for cleaning blind threaded holes of driven spiral bevel gear | |
| CN216618497U (en) | Easy abluent beam-pumping unit reduction gear | |
| CN200973998Y (en) | Air-liquid dispensing valve for vacuum filter | |
| CN208786027U (en) | A kind of industrial air purification filtering component | |
| CN203585131U (en) | Ball equalizing device | |
| CN110405684A (en) | Cylinder jacket dismantling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |